Mirror Therapy After Stroke: A Dosing Study

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

NA

Total Enrollment

8 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-01-31

Study Completion Date

2018-02-13

Brief Summary

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It has been suggested that augmenting repetitive task practice with the use of box (mirror) therapy (BT) can enhance the benefits of task practice and may provide stroke survivors an opportunity to engage in self-directed practice outside of normally scheduled therapy sessions. However, the dosage of BT to be used in clinical practice is unclear. In order for practitioners to begin integrating BT into clinical practice situations more information is needed to determine what defines a therapeutic dose. The aim of this study is to differentiate between two dosages of self-directed BT added to treatment as usual for decreasing arm and hand motor impairments, improving activity level, and increasing self-directed participation after stroke. Forty-five subjects from the Stroke Rehabilitation Unit at Helen Hayes Hospital (HHH) will be randomly assigned into three groups: treatment as usual plus 30 minute dosage of self-directed BT 5x/week; treatment as usual plus 60 minute dosage of self-directed BT 5x/week; treatment as usual plus 30 minutes of self-directed sham BT 5x/week.

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Detailed Description

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Approximately 795,000 people in the United States have a stroke each year, and stroke is considered a leading cause of long-term disability. Impairments in arm and hand function are common after stroke and limit engagement in daily life activities, which impacts the overall quality of life of stroke survivors. It has been found that incomplete upper limb recovery predicted health related quality of life in stroke survivors at one year post-stroke in four (self-care, usual activities, pain/discomfort, \& anxiety/depression) out of five domains measured on the EuroQol-5D questionnaire. Thus, evidence-based interventions that improve arm and hand function after stroke are needed. In fact, a recent study identified "treatments for upper extremity recovery" to be one of the top ten research priorities relating to life after stroke according to stroke survivors, caregivers, and health professionals. Evidence suggests task-oriented training interventions such as Repetitive Task Practice (RTP) are effective at improving upper extremity (UE) function and activity, and therapy participation in stroke survivors.

Recently, it has been suggested that augmenting RTP with the use of cognitive strategies, such as Mirror Box Therapy (BT), can enhance the benefits of task practice and may provide stroke survivors an opportunity to engage in self-directed practice outside of normally scheduled therapy sessions. During BT, a person engages in motor activities with the unimpaired limb while watching its mirror reflection superimposed over the (unseen) impaired limb; this process creates a visual illusion whereby activities performed by the unimpaired limb are attributed to the impaired limb. While generating this visual illusion is a common ingredient in published BT effectiveness trials, the actual treatment protocols differ considerably. One important protocol difference seen across published trials relates to the dosage of BT. For instance, the minutes of BT provided range from 10 minutes to 60 minutes per session; session frequencies range from 1 to 7 sessions per week, and the length of the intervention ranges from 3 to 6 weeks. Thus, the dosage of BT to be used in clinical practice is unclear. In order for practitioners to begin integrating BT into clinical practice more information is needed on the effective dosage, as this may vary according to multiple factors (e.g., stage of recovery, the survivor's current functional limitations, or environment in which services are rendered).

Conditions

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Stroke

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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TAU plus 30 minutes of BT.

Intervention: Subjects randomized to the 30 minute intervention will perform the above 15 minute Mirror Box Therapy intervention independently two times per day in addition to their treatment as usual.

Group Type EXPERIMENTAL

Mirror Box Therapy

Intervention Type BEHAVIORAL

The BT intervention will be delivered in 15 minute increments via a self-directed program. The subject will sit comfortably at a table or desk in front of a box, which will be positioned in the mid-sagittal plane. The subject will place his or her affected arm inside the box so that it is out of view. The subject will then place his or her unaffected arm on the table and will be instructed to focus their attention on the mirror reflection of the unaffected arm throughout the intervention. The 15 minute intervention will consist of the following movements/tasks: active range of motion (AROM), functional tasks with objects, and object manipulation.

TAU plus 60 minute of BT.

Intervention: Subjects randomized to the 60 minute intervention will perform the above 15 minute Mirror Box Therapy intervention independently four times per day in addition to their treatment as usual.

Group Type EXPERIMENTAL

Mirror Box Therapy

Intervention Type BEHAVIORAL

The BT intervention will be delivered in 15 minute increments via a self-directed program. The subject will sit comfortably at a table or desk in front of a box, which will be positioned in the mid-sagittal plane. The subject will place his or her affected arm inside the box so that it is out of view. The subject will then place his or her unaffected arm on the table and will be instructed to focus their attention on the mirror reflection of the unaffected arm throughout the intervention. The 15 minute intervention will consist of the following movements/tasks: active range of motion (AROM), functional tasks with objects, and object manipulation.

TAU plus 30 minutes of sham BT.

Intervention: Subjects randomized to the control (sham) group will perform the above Sham Mirror Box Therapy intervention independently two times per day. The control group will be using a mirror box with an opaque surface as opposed to a reflective mirror.

Group Type SHAM_COMPARATOR

Sham Mirror Box Therapy

Intervention Type BEHAVIORAL

The BT intervention will be delivered in 15 minute increments via a self-directed program. The subject will sit comfortably at a table or desk in front of a box, which will be positioned in the mid-sagittal plane. The subject will place his or her affected arm inside the box so that it is out of view. The subject will then place his or her unaffected arm on the table and will be instructed to focus their attention on an opaque mirror throughout the intervention. The 15 minute intervention will consist of the following movements/tasks: AROM, functional tasks with objects, and object manipulation.

Interventions

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Mirror Box Therapy

The BT intervention will be delivered in 15 minute increments via a self-directed program. The subject will sit comfortably at a table or desk in front of a box, which will be positioned in the mid-sagittal plane. The subject will place his or her affected arm inside the box so that it is out of view. The subject will then place his or her unaffected arm on the table and will be instructed to focus their attention on the mirror reflection of the unaffected arm throughout the intervention. The 15 minute intervention will consist of the following movements/tasks: active range of motion (AROM), functional tasks with objects, and object manipulation.

Intervention Type BEHAVIORAL

Sham Mirror Box Therapy

The BT intervention will be delivered in 15 minute increments via a self-directed program. The subject will sit comfortably at a table or desk in front of a box, which will be positioned in the mid-sagittal plane. The subject will place his or her affected arm inside the box so that it is out of view. The subject will then place his or her unaffected arm on the table and will be instructed to focus their attention on an opaque mirror throughout the intervention. The 15 minute intervention will consist of the following movements/tasks: AROM, functional tasks with objects, and object manipulation.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Adults status post ischemic or hemorrhagic stroke between the ages 18-85, receiving inpatient rehabilitation
* Using the impaired arm, ability to lift and release a wash cloth off a table with any means of prehension in either the sitting or standing positions
* A score \> 21/30 on the Mini-Mental State Exam
* Ability to consent.

Exclusion Criteria

* Serious visual or visual-perceptual deficits, neuropsychological impairments, or orthopedic conditions that would prevent participation in the BT protocol as determined by the treatment team
* Involvement in another study protocol related to motor function after stroke
* Anticipated length of stay less than two weeks
* More than six months post stroke

Minimum Eligible Age

18 Years

Maximum Eligible Age

99 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No